21040348

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{1543}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 42194432

約数和(自身を除く): 21154084

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1543, 1948, 3086, 3409, 6172, 6818, 10801, 13636, 21602, 43204, 751441, 1502882, 3005764, 5260087, 10520174, 21040348]

約数ペア:

[(1, 21040348), (2, 10520174), (4, 5260087), (7, 3005764), (14, 1502882), (28, 751441), (487, 43204), (974, 21602), (1543, 13636), (1948, 10801), (3086, 6818), (3409, 6172)]